Pith Number

pith:HEIUN7WC

pith:2026:HEIUN7WCQKBOZ3V2PTZJVP5Q2W

not attested not anchored not stored refs pending

The plunging region of thin accretion discs across the black hole spin range

Andrew Mummery, Jake Rule, James M. Stone, Lizhong Zhang, Steven Balbus

arxiv:2608.06278 v1 · 2026-08-06 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEIUN7WCQKBOZ3V2PTZJVP5Q2W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-08-07T01:41:11.055294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

391146fec28282eceeba7cf29abfb0d58b2a44b30db7d9f69d3fba15ac552e20

Aliases

arxiv: 2608.06278 · arxiv_version: 2608.06278v1 · doi: 10.48550/arxiv.2608.06278 · pith_short_12: HEIUN7WCQKBO · pith_short_16: HEIUN7WCQKBOZ3V2 · pith_short_8: HEIUN7WC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HEIUN7WCQKBOZ3V2PTZJVP5Q2W \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 391146fec28282eceeba7cf29abfb0d58b2a44b30db7d9f69d3fba15ac552e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39d5f137bacaeecc779a9cd759304c7837e58e74534eecf8f6bf852cbd5f965",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-08-06T17:07:21Z",
    "title_canon_sha256": "b06fb5bd6b6d7c6142cba614b3c50daa56449605f794e355d0d0bd09cc28a834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06278",
    "kind": "arxiv",
    "version": 1
  }
}